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We consider the design and analysis of coding schemes for the binary input two way relay channel with erasure noise. We are particularly interested in reliable physical layer network coding in which the relay performs perfect error…

Information Theory · Computer Science 2016-11-17 Brett Hern , Krishna Narayanan

In this work, we propose buffer-aided physical-layer network coding (PLNC) techniques for cooperative direct-sequence code-division multiple access systems. In the proposed buffer-aided PLNC schemes, a relay pair selection algorithm is…

Information Theory · Computer Science 2017-07-21 Jiaqi Gu , Rodrigo C. de Lamare , Mario Huemer

In recent years, with the rapid development of deep learning and natural language processing technologies, semantic communication has become a topic of great interest in the field of communication. Although existing deep learning-based…

Computation and Language · Computer Science 2023-04-18 Bingyan Wang , Rongpeng Li , Jianhang Zhu , Zhifeng Zhao , Honggang Zhang

We review a class of methods that can be collected under the name nonlinear transform coding (NTC), which over the past few years have become competitive with the best linear transform codecs for images, and have superseded them in terms of…

We propose a novel adaptive and causal random linear network coding (AC-RLNC) algorithm with forward error correction (FEC) for a point-to-point communication channel with delayed feedback. AC-RLNC is adaptive to the channel condition, that…

Information Theory · Computer Science 2019-09-30 Alejandro Cohen , Derya Malak , Vered Bar Bracha , Muriel Medard

In response to the rapid growth of global videomtraffic and the limitations of traditional wireless transmission systems, we propose a novel dual-stage vector quantization framework, VQ-DeepVSC, tailored to enhance video transmission over…

Networking and Internet Architecture · Computer Science 2024-09-06 Yongyi Miao , Zhongdang Li , Yang Wang , Die Hu , Jun Yan , Youfang Wang

Semantic communications (SCs) aim to transmit only the essential information required to perform given tasks, thereby improving communication efficiency. Deep learning-based joint source-channel coding (deep JSCC) has emerged as a promising…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Eunhye Hong , Taewoo Park , Yongjune Kim

The end-to-end image communication system has been widely studied in the academic community. The escalating demands on image communication systems in terms of data volume, environmental complexity, and task precision require enhanced…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Senran Fan , Zhicheng Bao , Chen Dong , Haotai Liang , Xiaodong Xu , Ping Zhang

It has recently been recognized that the wireless networks represent a fertile ground for devising communication modes based on network coding. A particularly suitable application of the network coding arises for the two--way relay…

Information Theory · Computer Science 2007-07-13 Petar Popovski , Hiroyuki Yomo

This work presents a novel spiking neural network (SNN) decoding method, combining SNNs with Hyperdimensional computing (HDC). The goal is to create a decoding method with high accuracy, high noise robustness, low latency and low energy…

Artificial Intelligence · Computer Science 2026-04-24 Cedrick Kinavuidi , Luca Peres , Oliver Rhodes

Semantic communication (SC) is recognized as a promising approach for enabling reliable communication with minimal data transfer while maintaining seamless connectivity for a group of wireless users. Unlocking the advantages of SC for…

Information Theory · Computer Science 2024-06-24 Nitisha Singh , Christo Kurisummoottil Thomas , Walid Saad , Emilio Calvanese Strinati

Compared with the current Shannon's Classical Information Theory (CIT) paradigm, semantic communication (SemCom) has recently attracted more attention, since it aims to transmit the meaning of information rather than bit-by-bit…

Image and Video Processing · Electrical Eng. & Systems 2023-04-20 Bingxuan Xu , Rui Meng , Yue Chen , Xiaodong Xu , Chen Dong , Hao Sun

Using the spatial modulation approach, where only one transmit antenna is active at a time, we propose two transmission schemes for two-way relay channel using physical layer network coding with space time coding using Coordinate…

Information Theory · Computer Science 2014-01-07 K. G. Unnikrishnan , B. Sundar Rajan

We address the problem of semantic correspondence, that is, establishing a dense flow field between images depicting different instances of the same object or scene category. We propose to use images annotated with binary foreground masks…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Junghyup Lee , Dohyung Kim , Wonkyung Lee , Jean Ponce , Bumsub Ham

Deep structured output learning shows great promise in tasks like semantic image segmentation. We proffer a new, efficient deep structured model learning scheme, in which we show how deep Convolutional Neural Networks (CNNs) can be used to…

Computer Vision and Pattern Recognition · Computer Science 2015-09-09 Guosheng Lin , Chunhua Shen , Ian Reid , Anton van den Hengel

In two-way relay channels, bitwise XOR and symbol-level superposition coding are two popular network-coding based relaying schemes. However, neither of them can approach the capacity bound when the channels in the broadcast phase are…

Information Theory · Computer Science 2010-08-05 Jianquan Liu , Meixia Tao , Youyun Xu , Xiaodong Wang

Task-oriented image semantic communication is a new communication paradigm, which aims to transmit semantics for artificial intelligent (AI) tasks while ignoring the reconstruction quality of the images. However, in some applications, such…

Information Theory · Computer Science 2022-12-05 Fangfang Liu , Wanjie Tong , Yang Yang , Zhengfen Sun , Caili Guo

Semantic communication has emerged as a promising technology to break the Shannon limit by extracting the meaning of source data and sending relevant semantic information only. However, some mobile devices may have limited computation and…

Information Theory · Computer Science 2023-11-17 Tianyu Liu , Changsheng You , Zeyang Hu , Chenyu Wu , Yi Gong , Kaibin Huang

Temporal Reasoning is one important functionality for vision intelligence. In computer vision research community, temporal reasoning is usually studied in the form of video classification, for which many state-of-the-art Neural Network…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Shiwen Zhang

Semantic communication (SemCom) is an emerging technology that extracts useful meaning from data and sends only relevant semantic information. Thus, it has the great potential to improve the spectrum efficiency of conventional wireless…

Signal Processing · Electrical Eng. & Systems 2023-11-14 Zeyang Hu , Tianyu Liu , Changsheng You , Zhaohui Yang , Mingzhe Chen